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TOM YANG MD INC
NPI 1417101908
Internal Medicine - Nephrology in Visalia, CA

Active since November 10, 2008
503 S WATSON ST, VISALIA, CA 93277(559) 623-9636(559) 623-9951 Get Directions Write a Review

NPPES record last updated: March 29, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 29, 2023, Mar 7, 2023 (2 updates tracked since 2023).

About Tom Yang Md Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TOM YANG MD INC (NPI 1417101908) is a healthcare organization registered as a nephrology in Visalia, California and active in the NPI registry since November 2008. The organization lists Tom Yang, Ceo, as its authorized official.

NPPES Registry Identity

NPI1417101908
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameTOM YANG MD INC
Location Address503 S WATSON STVisalia, CA 93277-2641
Mailing AddressPo Box 6758Visalia, CA 93290-6758 · (559) 623-9636 · Fax (559) 623-9951
Phone(559) 623-9636
Fax(559) 623-9951
Organization SubpartNo
Authorized OfficialTom YangCeo · (559) 623-9636
Enumeration DateNovember 10, 2008
Last NPPES UpdateMarch 29, 20232 updates tracked since enumeration
NPPES CertifiedMarch 29, 2023
✔ NPI 1417101908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A86613
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
503 S WATSON ST, Visalia, CA 93277
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tom Yang Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Tom Yang MD Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Katia Caldwell, NP
Nurse Practitioner
NPI 1205518438
503 S WATSON ST
Visalia, CA 93277
(559) 623-9636
✔ PECOSSame address
Tom Yang, M.D.
Nephrology
NPI 1548346695
503 S. WATSON ST.
Visalia, CA 93277
(559) 623-9636
✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tom Yang MD Inc's NPI number?

The NPI number for Tom Yang MD Inc is 1417101908. It was assigned to this organization in the NPPES registry on November 10, 2008.

Where is Tom Yang MD Inc located?

Tom Yang MD Inc is located at 503 S Watson St, Visalia, CA 93277. The listed phone number is (559) 623-9636.

What is Tom Yang MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Tom Yang MD Inc enrolled in Medicare?

Yes. Tom Yang MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tom Yang MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Tom Yang MD Inc, in Nephrology and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Tom Yang MD Inc was last updated on March 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.